4 Generation Circle Diagram: |
| Trijntje Veul Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Jacob Koomen < Klaas Koomen |
| Jacob Koomen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Trijntje Veul < Klaas Koomen |
| Klaas Koomen Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Marijtje Steltenpool < Johannes "Jan" Koomen |